Processes and mechanisms of coastal woody-plant mortality

© 2022 Battelle Memorial Institute and The Authors. Global Change Biology published by John Wiley & Sons Ltd. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 28(2022), 20 vom: 17. Okt., Seite 5881-5900
1. Verfasser: McDowell, Nate G (VerfasserIn)
Weitere Verfasser: Ball, Marilyn, Bond-Lamberty, Ben, Kirwan, Matthew L, Krauss, Ken W, Megonigal, J Patrick, Mencuccini, Maurizio, Ward, Nicholas D, Weintraub, Michael N, Bailey, Vanessa
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Review carbon starvation climate change coastal hydraulic failure hypoxia mortality salinity sea level rise mehr... Water 059QF0KO0R Carbon Dioxide 142M471B3J Carbon 7440-44-0
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520 |a © 2022 Battelle Memorial Institute and The Authors. Global Change Biology published by John Wiley & Sons Ltd. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA. 
520 |a Observations of woody plant mortality in coastal ecosystems are globally widespread, but the overarching processes and underlying mechanisms are poorly understood. This knowledge deficiency, combined with rapidly changing water levels, storm surges, atmospheric CO2 , and vapor pressure deficit, creates large predictive uncertainty regarding how coastal ecosystems will respond to global change. Here, we synthesize the literature on the mechanisms that underlie coastal woody-plant mortality, with the goal of producing a testable hypothesis framework. The key emergent mechanisms underlying mortality include hypoxic, osmotic, and ionic-driven reductions in whole-plant hydraulic conductance and photosynthesis that ultimately drive the coupled processes of hydraulic failure and carbon starvation. The relative importance of these processes in driving mortality, their order of progression, and their degree of coupling depends on the characteristics of the anomalous water exposure, on topographic effects, and on taxa-specific variation in traits and trait acclimation. Greater inundation exposure could accelerate mortality globally; however, the interaction of changing inundation exposure with elevated CO2 , drought, and rising vapor pressure deficit could influence mortality likelihood. Models of coastal forests that incorporate the frequency and duration of inundation, the role of climatic drivers, and the processes of hydraulic failure and carbon starvation can yield improved estimates of inundation-induced woody-plant mortality 
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650 4 |a coastal 
650 4 |a hydraulic failure 
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650 4 |a mortality 
650 4 |a salinity 
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700 1 |a Ball, Marilyn  |e verfasserin  |4 aut 
700 1 |a Bond-Lamberty, Ben  |e verfasserin  |4 aut 
700 1 |a Kirwan, Matthew L  |e verfasserin  |4 aut 
700 1 |a Krauss, Ken W  |e verfasserin  |4 aut 
700 1 |a Megonigal, J Patrick  |e verfasserin  |4 aut 
700 1 |a Mencuccini, Maurizio  |e verfasserin  |4 aut 
700 1 |a Ward, Nicholas D  |e verfasserin  |4 aut 
700 1 |a Weintraub, Michael N  |e verfasserin  |4 aut 
700 1 |a Bailey, Vanessa  |e verfasserin  |4 aut 
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773 1 8 |g volume:28  |g year:2022  |g number:20  |g day:17  |g month:10  |g pages:5881-5900 
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